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CONFIG_CIFS_ALLOW_INSECURE_LEGACY: Support legacy servers which use less secure dialects

General informations

The Linux kernel configuration item CONFIG_CIFS_ALLOW_INSECURE_LEGACY:

Help text

Modern dialects, SMB2.1 and later (including SMB3 and 3.1.1), have additional security features, including protection against man-in-the-middle attacks and stronger crypto hashes, so the use of legacy dialects (SMB1/CIFS and SMB2.0) is discouraged.

Disabling this option prevents users from using vers=1.0 or vers=2.0 on mounts with cifs.ko

If unsure, say Y.

Hardware

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